Programming-Idioms

(def r #"htt+p")

 auto r = regex("htt+p");

var r = new Regex("htt+p");

auto r = regex("htt+p");

r = Regex.compile!("htt+p")

r := regexp.MustCompile("htt+p")

r :: String -> Bool
r = (=~ "htt+p")

const r = /htt+p/

Pattern r = Pattern.compile("htt+p");

Pattern r = compile("ht{2,}p");

r = "htt+p"

preg_match_all("/htt+p/", $r, $matches)

with TRegExpr.Create('htt+p') do try
finally
  free;
end;

my $r = qr/htt+p/;

r = re.compile(r"htt+p")

r = compile('ht{2,}p')

r = /htt+p/

let r = Regex::new(r"htt+p").unwrap();